_:vb50940202 . _:vb50940202 . _:vb50940202 . _:vb50940202 . _:vb50940202 "A bone structure disease that results_in change or damage of structure located_in bone."^^ . _:vb50940202 "url:http://www.nlm.nih.gov/medlineplus/ency/article/004015.htm"^^ . _:vb50940202 .